Useful Info

Generally, it refers to the state of staying in a foreign country other than one's own while violating the immigration laws of the host country.
Illegal stay simply means staying in a specific country without authorization.
In more detail, it refers to staying without residency qualification or exceeding the permitted residency period in violation of the immigration control laws of that country.
Cases of illegal stay
Entry without visa: Entering without a proper visa
Overstay: Failing to leave after the visa validity period expires
Unauthorized activities: Engaging in activities other than those permitted (e.g., working without an employment visa)
After refugee application denial: Failing to leave after a refugee application is rejected
Problems with illegal stay
Legal issues: Upon detection, one may face legal penalties such as deportation and fines.
Social difficulties: Illegal stayers are restricted from using social services and are at high risk of exploitation such as labor abuse.
Deterioration of international relations: Illegal stay issues can affect diplomatic relations between countries.
Reasons not to engage in illegal stay
Must comply with the law: Everyone has an obligation to follow the law.
Safety is not guaranteed: Illegal stayers are at high risk of exposure to crimes such as labor exploitation and human trafficking.
May face disadvantages in the future: Records of illegal stay can lead to disadvantages in future visa issuances, etc.
Illegal stay negatively impacts not only individuals but also society as a whole, so it must be avoided at all costs.